package com.mall.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.mall.entity.Principals;
import com.mall.mapper.PrincipalsMapper;
import com.mall.service.PrincipalsService;
import org.springframework.stereotype.Service;

@Service("PrincipalsService")
public class PrincipalsServiceImpl extends ServiceImpl< PrincipalsMapper, Principals > implements PrincipalsService {
    @Override
    public Principals findOne(QueryWrapper< Principals > query) {
        return null;
    }
}
